81116478

素因数分解:

$2^1\times 3^4\times {\mathrm{500719}}^1$

素因数の和:500733

約数の個数: 20

約数和(自身を含む): 181761360

約数和(自身を除く): 100644882

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 500719, 1001438, 1502157, 3004314, 4506471, 9012942, 13519413, 27038826, 40558239, 81116478]

約数ペア:

[(1, 81116478), (2, 40558239), (3, 27038826), (6, 13519413), (9, 9012942), (18, 4506471), (27, 3004314), (54, 1502157), (81, 1001438), (162, 500719)]